CN219721638U

CN219721638U - Peripheral arterial catheter fixer

Info

Publication number: CN219721638U
Application number: CN202320628409.2U
Authority: CN
Inventors: 宫钰; 郁玲玲
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-09-22
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a peripheral arterial catheter fixer, which comprises a limiting mechanism, wherein the limiting mechanism comprises a transparent connecting frame, a visual limiting part is arranged on the transparent connecting frame, and the limiting part is used for limiting a catheter; the transparent connecting frame is provided with an adjustable connecting mechanism, the connecting mechanism comprises a first connecting part and a second connecting part which are arranged on the transparent connecting frame, and the first connecting part and the second connecting part are matched to fix the transparent connecting frame on the limb of a patient. According to the utility model, through the arranged limiting part, the catheter is fixed through the limiting part, so that the slipping-off caused by the guiding or the bending and twisting of the puncture needle tube at the skin puncture point can be reduced, and as the limiting part adopts a visual design, the catheter can be observed through the limiting part after being fixed through the limiting part, and the use is facilitated.

Description

Peripheral arterial catheter fixer

Technical Field

The utility model belongs to the field of medical instruments, and relates to a peripheral arterial catheter fixer, in particular to a disposable visual adjustable peripheral arterial catheter fixer.

Background

The clinical department, especially the patient who enters the Intensive Care Unit (ICU), needs to keep an arterial catheter for the patient because of critical illness state, real-time dynamic monitoring, multiple blood taking and sending detection and other purposes, and a clinician can select peripheral arteries as penetrating routes firstly, and mainly radial arteries; some patients need to keep the arterial catheter for a long time, but the arterial catheter which is kept in the radial artery is easy to slip due to the change of illness state, self factors of the patients or nursing factors, or phenomena such as bending and twisting of a puncture needle tube occur at a skin puncture point, so that the catheter is blocked and loses the function. In rare cases, serious complications are caused by rapid arterial blood loss. In addition, repeated arterial puncture procedures can increase the difficulty of the procedure and cause more trauma to the patient.

For the purposes of medical safety and patient protection, in clinical practice, a restraint strap, gauze or bandage is used to fix the catheter, but the catheter is not easy to observe whether the position of the catheter is in place, so that a certain potential safety hazard exists.

Disclosure of Invention

In order to eliminate the potential safety hazard caused by the prior art for fixing the indwelling arterial catheter of the patient by using a restraint strap, gauze, a bandage and the like, based on long-term clinical practice and experience, the inventor develops a peripheral arterial catheter fixer with a novel structure, and the problems are well solved. Specifically, the utility model comprises the following technical scheme:

the peripheral arterial catheter fixer mainly comprises a limiting mechanism, wherein the limiting mechanism comprises a transparent connecting frame, a visual limiting part is arranged on the transparent connecting frame, and the limiting part is used for limiting a catheter;

the connecting mechanism comprises a first connecting part and a second connecting part which are arranged on the transparent connecting frame, and the first connecting part and the second connecting part are matched to fix the transparent connecting frame on the limb of a patient.

The limiting part comprises a first transparent limiting piece which is fixedly arranged in the transparent connecting frame.

The bottom of the first transparent limiting piece can be provided with a first conduit groove, and the first conduit groove is positioned at the left side of the bottom of the first transparent limiting piece.

As another embodiment, the bottom of the first transparent limiting piece may be provided with a second conduit groove, and the second conduit groove is located at the right side of the bottom of the first transparent limiting piece.

Optionally, the limiting part comprises a transparent supporting plate, and the transparent supporting plate is fixedly installed in the transparent connecting frame; the outer surface of the transparent supporting plate is sleeved with a movable transparent limit sliding seat, and a third conduit groove is formed in the bottom of the third conduit groove.

As an implementation mode, the limiting part comprises a transparent block fixedly installed in the transparent connecting frame, a second transparent limiting piece is placed at the bottom of the transparent block, and a fourth conduit groove is formed in one side of the bottom of the second transparent limiting piece.

In an alternative implementation mode, a square groove is formed in the middle of the two top ends of the transparent limiting piece, a square plate is connected in the square groove in a penetrating mode, and the top of the square plate is fixedly connected with the bottom of the transparent block; the transparent block is characterized in that a cavity is formed between the transparent block and the inside of the square plate, a connecting rod is connected in the cavity in a penetrating mode, and the bottom end of the connecting rod penetrates through the square plate and is fixedly connected with the bottom of the inner cavity of the square groove.

Preferably, the outer surface of the connecting rod is sleeved with a spring positioned in the cavity, one end of the spring is fixedly connected with the connecting rod, and the other end of the spring is in contact with the cavity.

The first connecting portion may include a first connecting band fixedly installed at one side of the bottom of the transparent connecting frame, and a first magic tape and a second magic tape are fixedly installed on an outer side surface of the first connecting band.

The second connecting portion may include a second connecting band fixedly installed on the other side of the bottom of the transparent connecting frame, and a connecting ring is fixedly connected to one end of the second connecting band away from the transparent connecting frame.

In the scheme of the utility model, the limiting mechanism fixes the catheter through the limiting part, so that the slipping of the catheter or the bending and twisting of the puncture needle tube at the skin puncture point can be reduced, and the catheter can be observed through the limiting part after the catheter is fixed through the limiting part due to the visual design of the limiting part, so that the use is convenient. The peripheral arterial catheter fixer has simple structure, easy manufacture and processing and is beneficial to mass production.

Drawings

FIG. 1 is a schematic view of a first embodiment of a peripheral arterial catheter holder provided by the present utility model;

FIG. 2 is a schematic view of a second embodiment of a peripheral arterial catheter holder according to the present utility model;

FIG. 3 is a schematic view of a third embodiment of a peripheral arterial catheter holder according to the present utility model;

FIG. 4 is a schematic view of a fourth embodiment of a peripheral arterial catheter holder provided by the present utility model;

fig. 5 is a schematic cross-sectional view of a transparent block according to the present utility model.

The reference numerals include:

1. a limiting mechanism; 101. a transparent connecting frame; 102. a first transparent limiting sheet; 103. a first conduit groove; 104. a second conduit groove; 105. a transparent support plate; 106. a transparent limit sliding seat; 107. a conduit groove III; 108. a transparent block; 109. a second transparent limiting sheet; 110. a conduit groove IV; 111. a square groove; 112. a square plate; 113. a chamber; 114. a connecting rod;

2. a connecting mechanism; 201. a first connecting belt; 202. a second connecting belt; 203. a connecting ring; 204. a magic tape I; 205. and a magic tape II.

Detailed Description

As described in the background art, clinical practice medical practitioners generally use restraint bands, gauze or bandages to fix an arterial catheter which is placed in the radial artery of the arm of a patient, but these restraint means are not beneficial to observing whether the position of the catheter is in place, and have a certain potential safety hazard. To overcome this drawback, based on clinical practice, the inventor is inspired by the worn wristwatch, conceived the structure of the transparent wristwatch, and through material simulation, design optimization was performed, providing the visualized peripheral arterial catheter fixator of the present utility model.

The term "peripheral arterial catheter holder" may sometimes be referred to herein as a "catheter holder". For simplicity of description, the term "holder" may also be abbreviated, and they are used interchangeably in the same sense.

The term "visualization" as used above refers in particular to transparency, i.e. visual visualization, so that the peripheral arterial catheter status can be clearly observed. Preferably, the main body of the fixator is made of transparent skin-friendly, hydrophobic and soft silica gel material, so that the puncture point of the arterial catheter can be observed conveniently.

The utility model can be applied to various patients needing to keep peripheral arterial ducts for a long time, and can fix the arterial ducts to avoid slipping and folding and avoid repeated arterial puncture operation.

It will be appreciated that the peripheral arterial catheter holder may be secured to a limb portion of a patient in need of a long-term indwelling arterial catheter. Preferably, the limb portion is a patient's arm, for example a wrist portion.

If the peripheral arterial catheter fixer is fixed on the wrist, the operation is simple, similar to the wearing way of a watch. Because the tightness of the fixation can be adjusted, the skin of the patient can be prevented from being pressed and damaged. When in use, the holder is generally annular in shape, resembling a wristwatch band.

In addition, the length and width dimensions of the peripheral arterial catheter holder of the present utility model can be made to different specifications depending on the location of use.

In a preferred embodiment, the spacing mechanism and the attachment mechanism of the peripheral arterial catheter holder may be integrally formed from a transparent silicone material.

Taking a peripheral arterial catheter holder for a wrist as an example, the technical scheme of the present utility model will be described below with reference to the accompanying drawings. It is apparent that the described examples are only some, but not all, embodiments of the utility model; and the structures shown in the drawings are merely schematic and do not represent a physical object. It is intended that all other embodiments obtained by those skilled in the art based on these embodiments of the present utility model fall within the scope of the present utility model. Moreover, the embodiments of the present utility model and the features and technical solutions of the embodiments may be combined with each other without collision.

It should be understood that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1, the peripheral arterial catheter fixer of the utility model mainly comprises a limiting mechanism 1, wherein the limiting mechanism 1 comprises a transparent connecting frame 101, a visual limiting part is arranged on the transparent connecting frame 101, and the limiting part is used for limiting a catheter; be provided with adjustable coupling mechanism 2 on the transparent link 101, coupling mechanism 2 is including setting up first connecting portion and the second connecting portion on transparent link 101, and first connecting portion and second connecting portion cooperation are fixed transparent link 101 on patient's limbs, and fixed elasticity can be adjusted, can adapt to the patient of different statures, also can improve the travelling comfort when fixed effect and fixed.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed.

The spacing portion includes transparent spacing piece one 102, and transparent spacing piece one 102 fixed mounting is in transparent link 101, and transparent spacing piece one 102 adopts skin-friendly silica gel preparation, and the travelling comfort when the patient used can be improved to skin-friendly silica gel.

The bottom of the transparent limiting piece I102 is provided with a conduit groove I103, the conduit groove I103 is positioned at the bottom of the transparent limiting piece I102 and is close to the left side, when the palm is upward and the arm is in an abduction position, the radial artery is positioned at 1/3 of the outer side of the forearm and is also a common puncture point for the clinical radial artery catheterization, so that the conduit groove I103 is positioned at the bottom of the transparent limiting piece I102 and is close to the left side and is matched with the left hand of a patient, and the human engineering is more accordant.

The first connecting portion comprises a first connecting belt 201 fixedly arranged on one side of the bottom of the transparent connecting frame 101, and a first magic tape 204 and a second magic tape 205 are fixedly arranged on the outer side surface of the first connecting belt 201.

The second connecting portion includes the connecting band two 202 of fixed mounting in transparent link 101 bottom opposite side, and the one end fixedly connected with go-between 203 of transparent link 101 is kept away from to connecting band two 202, through inserting the connecting band one 201 behind the go-between 203 folding for two 205 are pasted together with magic subsides one 204, can realize the connection of connecting band one 201 and connecting band two 202, and can fix transparent link 101 at the patient wrist.

In the description herein, the terms "(first)" and "(second)" etc. are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Specifically, this peripheral arterial catheter fixer is when during operation/during use for adapting patient's left hand, after the pipe puncture is accomplished, place transparent spacing piece one 102 in patient puncture position, and make pipe groove one 103 correspond the pipe, then fold after passing go-between 203 with connecting band one 201, make the magic subsides two 205 paste on the magic subsides one 204 can fix the pipe.

Example 2

Referring to fig. 2, the peripheral arterial catheter fixer of the utility model comprises a limiting mechanism 1, wherein the limiting mechanism 1 comprises a transparent connecting frame 101, a visual limiting part is arranged on the transparent connecting frame 101, and the limiting part is used for limiting a catheter; be provided with adjustable coupling mechanism 2 on the transparent link 101, coupling mechanism 2 is including setting up first connecting portion and the second connecting portion on transparent link 101, and first connecting portion and second connecting portion cooperation are fixed transparent link 101 on patient's limbs, and fixed elasticity can be adjusted, can adapt to the patient of different statures, also can improve fixed effect and fixed travelling comfort.

The bottom of the first transparent limiting plate 102 is provided with the second conduit groove 104, the second conduit groove 104 is positioned on the right side near the bottom of the first transparent limiting plate 102, when the palm is upward and the arm is in an abduction position, the radial artery is positioned at 1/3 of the outer side of the forearm and is also a common puncture point for the clinical radial artery catheterization, so that the second conduit groove 104 is positioned on the right side near the bottom of the first transparent limiting plate 102 and is matched with the right hand of a patient, and the human engineering is more accordant.

Specifically, this peripheral arterial catheter fixer is when during operation/during use for adapting to patient by the hand, after the pipe puncture is accomplished, place transparent spacing piece 102 in patient puncture position, and make pipe groove two 104 correspond the pipe, then fold after passing go-between 203 with connecting band one 201, make the magic subsides two 205 paste on the magic subsides one 204 can fix the pipe.

Example 3

Referring to fig. 3, the peripheral arterial catheter fixer of the utility model comprises a limiting mechanism 1, wherein the limiting mechanism 1 comprises a transparent connecting frame 101, a visual limiting part is arranged on the transparent connecting frame 101, and the limiting part is used for limiting a catheter; the limiting part comprises a transparent supporting plate 105, the transparent supporting plate 105 is fixedly arranged in the transparent connecting frame 101, and the transparent supporting plate 105 and the transparent connecting frame 101 are made of hard transparent materials, such as a transparent acrylic plate; the outer surface cover of transparent backup pad 105 is equipped with mobilizable spacing slide 106 of transparent, and pipe groove three 107 has been seted up to the bottom of pipe groove three 107, and transparent spacing slide 106 adopts skin-friendly silica gel preparation to form, and the comfort when skin-friendly silica gel can improve the patient and use can support transparent spacing slide 106 through transparent backup pad 105, and transparent spacing slide 106 can slide on transparent backup pad 105 to can be according to the position of the spacing slide 106 of actual conditions adjustment, do benefit to the use.

Specifically, when the peripheral arterial catheter fixer is in operation/use, the transparent limit sliding seat 106 is pushed to move, the position of the transparent limit sliding seat 106 is adjusted according to the left hand or the right hand of a patient, after the catheter puncture is completed, the catheter groove III 107 corresponds to the catheter, and then the connecting belt I201 passes through the connecting ring 203 and then is folded, so that the catheter can be fixed by sticking the magic tape II 205 onto the magic tape I204.

Example 4

As shown in fig. 4 and 5, the peripheral arterial catheter fixer of the utility model comprises a limiting mechanism 1, wherein the limiting mechanism 1 comprises a transparent connecting frame 101, a visual limiting part is arranged on the transparent connecting frame 101, and the limiting part is used for limiting a catheter;

be provided with adjustable coupling mechanism 2 on the transparent link 101, coupling mechanism 2 is including setting up first connecting portion and the second connecting portion on transparent link 101, and first connecting portion and second connecting portion cooperation are fixed transparent link 101 on patient's limbs, and fixed elasticity can be adjusted, can adapt to the patient of different statures, also can improve fixed effect and fixed travelling comfort.

The spacing portion includes transparent piece 108 of fixed mounting in transparent link 101, and transparent spacing piece second 109 has been placed to transparent piece 108's bottom, and the pipe groove fourth 110 has been seted up to one side of transparent spacing piece second 109 bottom, and transparent spacing piece second 109 adopts skin-friendly silica gel preparation to form, and the comfort when patient's use can be improved to skin-friendly silica gel, and transparent piece 108 adopts the transparent material preparation of stereoplasm to form, like transparent acrylic board.

A square groove 111 is formed in the middle of the top end of the second transparent limiting piece 109, a square plate 112 is connected in the square groove 111 in a penetrating mode, the top of the square plate 112 is fixedly connected with the bottom of the transparent block 108, and the second transparent limiting piece 109 can be limited through the mutual matching of the square groove 111 and the square plate 112, so that the second transparent limiting piece 109 is prevented from rotating;

a cavity 113 is formed between the transparent block 108 and the inside of the square plate 112, a connecting rod 114 is connected in the cavity 113 in a penetrating way, the bottom end of the connecting rod 114 penetrates through the square plate 112 and is fixedly connected with the bottom of the inner cavity of the square groove 111, and the transparent block 108 and the second transparent limiting piece 109 can be connected together through the connecting rod 114.

The outer surface cover of connecting rod 114 is equipped with the spring that is located the cavity 113, and the one end and the connecting rod 114 fixed connection of spring, the other end and the cavity 113 contact of spring, and the effort of spring can be through connecting rod 114 to transparent spacing piece two 109 pulling for transparent spacing piece two 109 keeps the laminating with transparent piece 108.

Specifically, when the peripheral arterial catheter fixer is in use, the second transparent limiting piece 109 is pulled downwards to separate the square plate 112 from the square groove 111, the second transparent limiting piece 109 is rotated, the position of the fourth catheter groove 110 is adjusted according to the left hand or the right hand of a patient, the fourth catheter groove 111 is inserted into the square plate 112 after the adjustment, the fourth catheter groove 110 corresponds to a catheter after the catheter puncture is completed, and then the first connecting belt 201 is folded after passing through the connecting ring 203, so that the first magic tape 205 is stuck to the first magic tape 204 to fix the catheter.

The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The peripheral arterial catheter fixer is characterized by comprising a limiting mechanism (1), wherein the limiting mechanism (1) comprises a transparent connecting frame (101), a visual limiting part is arranged on the transparent connecting frame (101), and the limiting part is used for limiting a catheter;

the connecting mechanism (2) of the length or the tightness of the peripheral arterial catheter fixer is arranged on the transparent connecting frame (101), the connecting mechanism (2) comprises a first connecting part and a second connecting part which are arranged on the transparent connecting frame (101), and the first connecting part and the second connecting part are matched to fix the transparent connecting frame (101) on a limb of a patient.

2. The peripheral arterial catheter holder of claim 1, wherein the stop portion comprises a transparent stop tab (102), the transparent stop tab (102) being fixedly mounted within a transparent connector (101).

3. The peripheral arterial catheter holder of claim 2, wherein a catheter groove one (103) is provided at the bottom of the transparent limiting piece one (102), and the catheter groove one (103) is positioned on the left side of the bottom of the transparent limiting piece one (102).

4. The peripheral arterial catheter holder of claim 2, wherein the bottom of the first transparent limiting piece (102) is provided with a second catheter groove (104), and the second catheter groove (104) is positioned on the right side of the bottom of the first transparent limiting piece (102).

5. The peripheral arterial catheter holder of claim 1, wherein the stop portion comprises a transparent support plate (105), the transparent support plate (105) being fixedly mounted within a transparent connection frame (101);

the outer surface of transparent backup pad (105) is overlapped and is equipped with mobilizable transparent spacing slide (106), pipe groove III (107) have been seted up to the bottom of transparent spacing slide (106).

6. The peripheral arterial catheter fixer according to claim 1, wherein the limiting portion comprises a transparent block (108) fixedly installed in the transparent connecting frame (101), a second transparent limiting piece (109) is placed at the bottom of the transparent block (108), and a fourth catheter groove (110) is formed in one side of the bottom of the second transparent limiting piece (109).

7. The peripheral arterial catheter fixer according to claim 6, wherein a square groove (111) is formed in the middle of the top end of the second transparent limiting piece (109), a square plate (112) is connected in the square groove (111) in a penetrating way, and the top of the square plate (112) is fixedly connected with the bottom of the transparent block (108);

a cavity (113) is formed between the transparent block (108) and the inside of the square plate (112), a connecting rod (114) is connected in the cavity (113) in a penetrating mode, and the bottom end of the connecting rod (114) penetrates through the square plate (112) and is fixedly connected with the bottom of the inner cavity of the square groove (111).

8. The peripheral arterial catheter holder of claim 7, wherein the outer surface of the connecting rod (114) is sleeved with a spring located in the chamber (113), one end of the spring is fixedly connected with the connecting rod (114), and the other end of the spring is in contact with the chamber (113).

9. The peripheral arterial catheter holder of claim 1, wherein the first connection portion comprises a first connection strap (201) fixedly mounted on one side of the bottom of the transparent connection frame (101), and a first magic tape (204) and a second magic tape (205) are fixedly mounted on the outer side surface of the first connection strap (201).

10. The peripheral arterial catheter holder of claim 1, wherein the second connection portion comprises a second connection strap (202) fixedly mounted on the other side of the bottom of the transparent connection frame (101), and a connection ring (203) is fixedly connected to one end of the second connection strap (202) away from the transparent connection frame (101).